Home / 26,943.36-40,420.64-11,361.12

Finding the Fourth Proportional to 26,943.36, 40,420.64 and 11,361.12

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Solution

The fourth proportional to 26,943.36, 40,420.64 and 11,361.12 is: 17,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.36 : 40,420.64 = 11,361.12 : x
  2. Step 2: Convert to fraction form
    26,943.36/40,420.64 = 11,361.12/x
  3. Step 3: Cross multiply
    26,943.36x = 40,420.64 × 11,361.12
  4. Step 4: Simplify right side
    26,943.36x = 459,223,741.52
  5. Step 5: Solve for x
    x = 459,223,741.52/26,943.36
  6. Step 6: Final answer
    x = 17,044.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.